Chinook winds
E813429
Chinook winds are warm, dry downslope winds that rapidly raise temperatures and melt snow on the leeward side of mountain ranges, especially in regions like southern Alberta.
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
foehn wind
ⓘ
meteorological phenomenon ⓘ |
| affects |
agricultural conditions
ⓘ
human thermal comfort ⓘ local climate variability ⓘ snowpack stability ⓘ |
| alternateName |
Chinooks
ⓘ
snow eater ⓘ |
| canReachSpeed | over 100 km/h in strong events ⓘ |
| causedBy |
adiabatic compression warming
ⓘ
air descending leeward side of mountains ⓘ moist air forced over mountain barrier ⓘ |
| contrastsWith | cold Arctic air outbreaks ⓘ |
| etymology | named after the Chinook Indigenous people of the Pacific Northwest ⓘ |
| hasEffect |
decrease in relative humidity
ⓘ
increased evaporation ⓘ increased fire danger in dry seasons ⓘ rapid melting of snowpack ⓘ rapid snowmelt ⓘ rapid temperature increase ⓘ snow sublimation ⓘ strong gusty surface winds ⓘ temporary relief from cold spells ⓘ |
| hasProperty |
downslope
ⓘ
dry ⓘ warm ⓘ |
| isTypeOf |
downslope wind
ⓘ
warm wind ⓘ |
| observedIn |
Canadian Prairies
NERFINISHED
ⓘ
northern Great Plains ⓘ |
| occursOnSideOf | leeward side of mountain ranges ⓘ |
| relatedProcess |
adiabatic lapse rate
ⓘ
orographic lifting ⓘ |
| relatedTo |
Santa Ana winds
NERFINISHED
ⓘ
Zonda wind ⓘ foehn effect ⓘ |
| typicalRegion |
Alberta, Canada
NERFINISHED
ⓘ
Calgary region NERFINISHED ⓘ Great Plains east of the Rockies NERFINISHED ⓘ Montana, United States NERFINISHED ⓘ Wyoming, United States NERFINISHED ⓘ eastern slopes of the Rocky Mountains ⓘ southern Alberta NERFINISHED ⓘ |
| typicalSeason |
early spring
ⓘ
late autumn ⓘ winter ⓘ |
| typicalTemperatureChange | temperature rise of 10 to 20 degrees Celsius in a few hours GENERATED ⓘ |
| typicalWindDirection |
southwesterly
ⓘ
westerly ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Southern Alberta